Abstract
The preparation of racemic guaifenesin (3-(2- methoxyphenoxy)-1,2-propanediol by a Williamson ether synthesis reaction was well-suited towards the reaction mechanisms, spectroscopic analysis and pharmaceutical synthesis of enantioselective compound. Analysis of the reaction products includes NMR, HPLC, GC techniques that involve comparison of the reaction products to known standards. The most characteristic peaks in an IR spectrum are those associated with O-H bonds (strong, broad peaks, 2968.80 cm--1) and the carbonyl group (C=O, strong peaks 1379.10 cm--1). Identification of synthesized product structure chemical shift occurred at 3.2 ppm indicating the presence of methyl compound in structure of guaifenesin and the molecular mass synthesized product was found to be 198g/mol for guaifenesin compound with the CAS No.of 93-14-1.
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